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Use FwdTrans instead of `FwdTransLocalElmt` for Parareal iteration in time-integration

Jacques Xing requested to merge CFD-Xing/nektar:parareal-fwdtrans-iteration into master

Issue/feature addressed

Using FwdTrans instead of FwdTransLocalElmt in DoSolve results in improved convergence for the Parareal algorithm

Proposed solution

Implementation

Convergence with FwdTransLocalElmt L2error Convergence with FwdTrans L2error

Tests

Suggested reviewers

Please suggest any people who would be appropriate to review your code.

Notes

Please add any other information that could be useful for reviewers.

Checklist

  • [ ] Functions and classes, or changes to them, are documented.
  • [ ] User guide/documentation is updated.
  • Changelog is updated.
  • [ ] Suitable tests added for new functionality.
  • Contributed code is correctly formatted. (See the contributing guidelines).
  • [ ] License added to any new files.
  • No extraneous files have been added (e.g. compiler output or test data files).
Edited by Jacques Xing

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